Method cluster sampling and cross sectional study.
方法整群抽样，横断面调查。
The cross sectional transitions are smooth to avoid dead spaces and minimize pressure loss.
横截面的平滑转变避免了死空间，并且使压力损失达到最小。
The pile tube can be of arbitrary cross sectional shape and is divided into cylindrical bending strips.
桩管可以是任意截面形状的，并分割为相应的柱状弯曲条。
The connection between cells shall be made of lead or lead alloys and have enough cross sectional area.
电池的连接物应使用铅材料或者是铅合金并有足够的交叉的可组合区域。
The ratio of aircraft length to maximum cross sectional area also influences the intensity of the sonic boom.
飞机的长度和最大横截面面积之比也会影响音爆的强度。
Using nonlinear finite element method, the compression load deflection of the seal was analyzed and cross sectional shape of the seal was optimized.
利用非线性有限元法分析了密封条的压缩受力变形特性，根据结构力学原理对密封条横截面形状进行了优化。
The hot zone is formed by cutting a double spiral slot which reduces the cross sectional area through which current flows, resulting in higher resistance than the cold end.
发热部是双螺旋切槽，在电流通过时可以减少其横截面积，因而发热部的阻值比冷端部的阻值大。
Students will determine the relative stiffness of two aluminum beam test specimens of equal cross sectional area but different cross-sectional shape and see how they conform to theory.
学生要确定两个横截面面积相同而形状不同的铝梁实验样本的相对刚度，并研究结果如何与理论一致。
With the model, the cross sectional shape of a pressing is analyzed, and the public feasible zone of sectional angle is determined, and a group of target functions are created as optimization objects.
利用该模型对冲压件截面形状进行了分析，确定了截面转角的公共可行域，并建立了一组目标函数作为优化对象。
These relationships between social and financial performance can be rationalized by multi-factor models for explaining the cross-sectional variation in returns, but not by industry effects.
社会绩效与金融业绩间的这些关系，可以通过解释回报中代表性变量的多因子模型进行合理化，却难以通过产业效应起到同样效果。
Even though the study was of a cross-sectional nature, this finding suggested that eating a traditional Australian diet might prevent depression.
即使这项研究是比较片面的。这项研究表明，食用传统食物的澳大利亚人可能会预防抑郁症。
To obtain information on surgical facilities and workforce, we conducted a cross-sectional survey of all hospitals performing major surgery in 14 districts of south-western Uganda in 2007–2008.
为了获得外科手术设施和从业人员数量方面的信息，我们对乌干达西南部14个区在2007-2008年间实施大手术的所有医院进行了一次横断面调查。
We conducted a cross-sectional study in Embu, São Paulo, Brazil, as the Brazilian component of a multicountry survey on abuse in the family environment.
我们在巴西圣保罗恩布进行了横断面研究，即家庭滥用体罚多国调查的巴西调查部分。
A community-based cross-sectional survey was undertaken in 10 subdistricts in Ulaanbaatar, Mongolia’s capital.
我们在内蒙古首都乌兰巴托的10个小区进行了以社区为基础的横断面调查。
So this will be the length of the femur d and this will be the thickness, d A and this will be the cross-sectional area A.
所以这就是股骨的长度,这是它的厚度,这是它的横截面积。
I noted that for service identification, it is important to combine the three approaches of top-down, bottom-up, and cross-sectional, goal-model analysis.
我提到了，对于服务鉴别，自顶向下、自底向上和跨部分、目标模型分析三种手段的结合非常重要。
Radial loading is the amount of weight placed vertically above the axle. Sitting on a trike places an axial load on the bearings. The drawing below is a cross-sectional view of a radial bearing.
径向负荷的重量是多少轴垂直放在上面。三轮车坐在一个地方对轴承的轴向负荷。下图是一个径向轴承截面的看法。
According to the empirical data, standard cross-sectional survey statistics underestimated true infant and under-5 mortality by 6.7% and 9.8%, respectively.
据经验数据显示，标准的横断面调查统计数据对婴儿以及五岁以下儿童的死亡率分别低估了6.7%和9.8%。
Conde-Agudelo a, Belizan JM, Lammers C. Maternal-perinatal morbidity and mortality associated with adolescent pregnancy in Latin America: Cross-sectional study.
Conde - Agudelo a,BelizanJM,Lammers C .，《与拉丁美洲少女怀孕有关的孕产-产前发病率和死亡率：截面研究》。
Cross-Sectional: The sample of elements is measured only once. This shows you a snapshot of variables at a point in time (e. g. , market survey).
横截面数据：成分数据只测量一次。这展示你的变量在一个时间点的快照（如：市场调查）。
Inversely proportional to the cross-sectional area of the rod.
棒子的横截面积，成反比。
That would give me a cross-sectional area of eight times ten to the minus five square meters.
那么横截面就等于,8乘以10的,负五次方平方米。
Using a unique set of repeated cross-sectional data this paper examines the causes of this increase in earnings inequality.
本文使用一个独特的由多年很截面数据组成的数据库对收入不平等在这期间的增长进行分析。
This course is designed to recognize problems on existing cross-sectional interpretations.
该课程设计用于识别现有截面解释中的问题。
With the caveat that the substantive findings of this study are based on cross-sectional data, we discuss the implications of our work and future research directions.
通过强调这个研究得出的真实结论是以代表性数据为基础，本文还讨论了我们工作的意义以及未来的研究方向。
The revised model based on flow units was further validated by cross-sectional reservoir simulation models in selected areas of the field.
在选择区域范围内根据油藏横截面模拟模型能进一步确认流动单位校正模型。
This study highlights the problem of "validating" a technique in a cross-sectional study that may be more representative of a screening population and appropriate to investigate.
该研究突出反映了在代表性研究中如何“验证”一项技术的问题，这可能比筛查人群和适于调查更具有代表性。
DESIGN: Cluster sampling and cross-sectional investigation.
设计：整群抽样，横断面调查。
DESIGN: Randomized cluster sampling, cross-sectional study.
设计：随机整群抽样，横断面调查。
DESIGN: Randomized cluster sampling, cross-sectional study.
设计：随机整群抽样，横断面调查。
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